Tutorial 11 Answers

# Tutorial 11 Answers - x However since x y E 1 = Namely E(y...

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Tutorial 11 Answers Chapter 10: Simple Linear Regression 1. In a simple linear regression model, ε β + + = x y 1 0 , where E( ε ) = 0 by assumption. For any given x value, y is still a random variable due to the term of random error ε , so y does not hold an exact linear relationship with

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Unformatted text preview: x . However, since x y E 1 ) ( + = Namely, E(y), the mean value of y for any given x , has a linear (straight-line) relationship with x . That is, every point on the line is a mean value of y for a given x . Thus, it is a line of means....
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Tutorial 11 Answers - x However since x y E 1 = Namely E(y...

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